<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
            height: 300px;
            background-color: red;
            color: white;
            text-align: center;
            line-height: 300px;
            font-size: 28px;
            /*需要过渡的属性名称*/
           /* transition-property: font-size;*/
            /*设置过渡持续时长*/
            /*transition-duration: 2s;*/
            /*设置过渡速度曲线*/
           /*transition-timing-function: linear;*/
            /*设置多个属性同时过渡*/
            transition: font-size 2s linear,color 2s linear,background-color 2s linear;
        }
        /*过渡需要触发条件*/
        div:hover{
            font-size: 68px;
            color:green;
            background-color: pink;
        }
        img{
            transition: width 2s linear;
        }
        img:hover{
            width:250px; 
        }
    </style>
</head>
<body>
    <div>山西农业大学</div>
    <img width="150px" src="../音视频/6.jpg" alt="">
</body>
</html>